1 /* $NetBSD: vrip.c,v 1.39 2021/08/07 16:18:54 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2002 5 * Shin Takemura and PocketBSD Project. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: vrip.c,v 1.39 2021/08/07 16:18:54 thorpej Exp $"); 35 36 #include "opt_vr41xx.h" 37 #include "opt_tx39xx.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <sys/reboot.h> 43 44 #include <machine/cpu.h> 45 #include <machine/bus.h> 46 #include <machine/autoconf.h> 47 #include <machine/platid.h> 48 #include <machine/platid_mask.h> 49 50 #include <hpcmips/vr/vr.h> 51 #include <hpcmips/vr/vrcpudef.h> 52 #include <hpcmips/vr/vripunit.h> 53 #include <hpcmips/vr/vripif.h> 54 #include <hpcmips/vr/vripreg.h> 55 #include <hpcmips/vr/vripvar.h> 56 #include <hpcmips/vr/icureg.h> 57 #include <hpcmips/vr/cmureg.h> 58 #include "locators.h" 59 60 #ifdef VRIP_DEBUG 61 #define DPRINTF_ENABLE 62 #define DPRINTF_DEBUG vrip_debug 63 #endif 64 #define USE_HPC_DPRINTF 65 #include <machine/debug.h> 66 67 #ifdef VRIP_DEBUG 68 #define DBG_BIT_PRINT(reg) if (vrip_debug) dbg_bit_print(reg); 69 #define DUMP_LEVEL2MASK(sc,arg) if (vrip_debug) __vrip_dump_level2mask(sc,arg) 70 #else 71 #define DBG_BIT_PRINT(arg) 72 #define DUMP_LEVEL2MASK(sc,arg) 73 #endif 74 75 #define VALID_UNIT(sc, unit) (0 <= (unit) && (unit) < (sc)->sc_nunits) 76 77 #ifdef SINGLE_VRIP_BASE 78 int vripmatch(device_t, cfdata_t, void *); 79 void vripattach(device_t, device_t, void *); 80 #endif 81 int vrip_print(void *, const char *); 82 int vrip_search(device_t, cfdata_t, const int *, void *); 83 int vrip_intr(void *, vaddr_t, u_int32_t); 84 85 int __vrip_power(vrip_chipset_tag_t, int, int); 86 vrip_intr_handle_t __vrip_intr_establish(vrip_chipset_tag_t, int, int, 87 int, int(*)(void*), void*); 88 void __vrip_intr_disestablish(vrip_chipset_tag_t, vrip_intr_handle_t); 89 void __vrip_intr_setmask1(vrip_chipset_tag_t, vrip_intr_handle_t, int); 90 void __vrip_intr_setmask2(vrip_chipset_tag_t, vrip_intr_handle_t, 91 u_int32_t, int); 92 void __vrip_intr_getstatus2(vrip_chipset_tag_t, vrip_intr_handle_t, 93 u_int32_t*); 94 void __vrip_register_cmu(vrip_chipset_tag_t, vrcmu_chipset_tag_t); 95 void __vrip_register_gpio(vrip_chipset_tag_t, hpcio_chip_t); 96 void __vrip_register_dmaau(vrip_chipset_tag_t, vrdmaau_chipset_tag_t); 97 void __vrip_register_dcu(vrip_chipset_tag_t, vrdcu_chipset_tag_t); 98 void __vrip_dump_level2mask(vrip_chipset_tag_t, void *); 99 100 struct vrip_softc *the_vrip_sc = NULL; 101 102 static const struct vrip_chipset_tag vrip_chipset_methods = { 103 .vc_power = __vrip_power, 104 .vc_intr_establish = __vrip_intr_establish, 105 .vc_intr_disestablish = __vrip_intr_disestablish, 106 .vc_intr_setmask1 = __vrip_intr_setmask1, 107 .vc_intr_setmask2 = __vrip_intr_setmask2, 108 .vc_intr_getstatus2 = __vrip_intr_getstatus2, 109 .vc_register_cmu = __vrip_register_cmu, 110 .vc_register_gpio = __vrip_register_gpio, 111 .vc_register_dmaau = __vrip_register_dmaau, 112 .vc_register_dcu = __vrip_register_dcu, 113 }; 114 115 #ifdef SINGLE_VRIP_BASE 116 CFATTACH_DECL_NEW(vrip, sizeof(struct vrip_softc), 117 vripmatch, vripattach, NULL, NULL); 118 119 static const struct vrip_unit vrip_units[] = { 120 [VRIP_UNIT_PMU] = { "pmu", 121 { VRIP_INTR_POWER, VRIP_INTR_BAT, }, }, 122 [VRIP_UNIT_RTC] = { "rtc", 123 { VRIP_INTR_RTCL1, }, }, 124 [VRIP_UNIT_PIU] = { "piu", 125 { VRIP_INTR_PIU, }, 126 CMUMASK_PIU, 127 ICUPIUINT_REG_W, MPIUINT_REG_W }, 128 [VRIP_UNIT_KIU] = { "kiu", 129 { VRIP_INTR_KIU, }, 130 CMUMASK_KIU, 131 KIUINT_REG_W, MKIUINT_REG_W }, 132 [VRIP_UNIT_SIU] = { "siu", 133 { VRIP_INTR_SIU, }, }, 134 [VRIP_UNIT_GIU] = { "giu", 135 { VRIP_INTR_GIU, }, 136 0, 137 GIUINT_L_REG_W,MGIUINT_L_REG_W, 138 GIUINT_H_REG_W, MGIUINT_H_REG_W }, 139 [VRIP_UNIT_LED] = { "led", 140 { VRIP_INTR_LED, }, }, 141 [VRIP_UNIT_AIU] = { "aiu", 142 { VRIP_INTR_AIU, }, 143 CMUMASK_AIU, 144 AIUINT_REG_W, MAIUINT_REG_W }, 145 [VRIP_UNIT_FIR] = { "fir", 146 { VRIP_INTR_FIR, }, 147 CMUMASK_FIR, 148 FIRINT_REG_W, MFIRINT_REG_W }, 149 [VRIP_UNIT_DSIU]= { "dsiu", 150 { VRIP_INTR_DSIU, }, 151 CMUMASK_DSIU, 152 DSIUINT_REG_W, MDSIUINT_REG_W }, 153 [VRIP_UNIT_PCIU]= { "pciu", 154 { VRIP_INTR_PCI, }, 155 CMUMASK_PCIU, 156 PCIINT_REG_W, MPCIINT_REG_W }, 157 [VRIP_UNIT_SCU] = { "scu", 158 { VRIP_INTR_SCU, }, 159 0, 160 SCUINT_REG_W, MSCUINT_REG_W }, 161 [VRIP_UNIT_CSI] = { "csi", 162 { VRIP_INTR_CSI, }, 163 CMUMASK_CSI, 164 CSIINT_REG_W, MCSIINT_REG_W }, 165 [VRIP_UNIT_BCU] = { "bcu", 166 { VRIP_INTR_BCU, }, 167 0, 168 BCUINT_REG_W, MBCUINT_REG_W }, 169 }; 170 171 void 172 vripattach(device_t parent, device_t self, void *aux) 173 { 174 struct vrip_softc *sc = device_private(self); 175 176 printf("\n"); 177 178 sc->sc_units = vrip_units; 179 sc->sc_nunits = sizeof(vrip_units)/sizeof(struct vrip_unit); 180 sc->sc_icu_addr = VRIP_ICU_ADDR; 181 sc->sc_sysint2 = SYSINT2_REG_W; 182 sc->sc_msysint2 = MSYSINT2_REG_W; 183 184 vripattach_common(parent, self, aux); 185 } 186 #endif /* SINGLE_VRIP_BASE */ 187 188 int 189 vripmatch(device_t parent, cfdata_t match, void *aux) 190 { 191 struct mainbus_attach_args *ma = aux; 192 193 #if defined(SINGLE_VRIP_BASE) && defined(TX39XX) 194 if (!platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX)) 195 return (0); 196 #endif /* SINGLE_VRIP_BASE && TX39XX */ 197 if (strcmp(ma->ma_name, match->cf_name)) 198 return (0); 199 200 return (1); 201 } 202 203 void 204 vripattach_common(device_t parent, device_t self, void *aux) 205 { 206 struct mainbus_attach_args *ma = aux; 207 struct vrip_softc *sc = device_private(self); 208 209 sc->sc_chipset = vrip_chipset_methods; /* structure assignment */ 210 sc->sc_chipset.vc_sc = sc; 211 212 #ifdef DIAGNOSTIC 213 if (sc->sc_icu_addr == 0 || 214 sc->sc_sysint2 == 0 || 215 sc->sc_msysint2 == 0) 216 panic("vripattach: missing register info."); 217 #endif /* DIAGNOSTIC */ 218 219 /* 220 * Map ICU (Interrupt Control Unit) register space. 221 */ 222 sc->sc_iot = ma->ma_iot; 223 if (bus_space_map(sc->sc_iot, sc->sc_icu_addr, 224 0x20 /*XXX lower area only*/, 225 0, /* no flags */ 226 &sc->sc_ioh)) { 227 printf("vripattach: can't map ICU register.\n"); 228 return; 229 } 230 231 /* 232 * Disable all Level 1 interrupts. 233 */ 234 sc->sc_intrmask = 0; 235 bus_space_write_2(sc->sc_iot, sc->sc_ioh, MSYSINT1_REG_W, 0x0000); 236 bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->sc_msysint2, 0x0000); 237 /* 238 * Level 1 interrupts are redirected to HwInt0 239 */ 240 vr_intr_establish(VR_INTR0, vrip_intr, sc); 241 the_vrip_sc = sc; 242 /* 243 * Attach each devices 244 * GIU CMU DMAAU DCU interface interface is used by other system 245 * device. so attach first 246 */ 247 sc->sc_pri = 2; 248 config_search(self, NULL, 249 CFARGS(.search = vrip_search)); 250 251 /* Other system devices. */ 252 sc->sc_pri = 1; 253 config_search(self, NULL, 254 CFARGS(.search = vrip_search)); 255 } 256 257 int 258 vrip_print(void *aux, const char *hoge) 259 { 260 struct vrip_attach_args *va = (struct vrip_attach_args*)aux; 261 bus_addr_t endaddr, mask; 262 263 if (va->va_addr != VRIPIFCF_ADDR_DEFAULT) 264 aprint_normal(" addr 0x%08lx", va->va_addr); 265 if (va->va_size != VRIPIFCF_SIZE_DEFAULT) { 266 endaddr = (va->va_addr + va->va_size - 1); 267 mask = ((va->va_addr ^ endaddr) & 0xff0000) ? 0xffffff:0xffff; 268 aprint_normal("-%04lx", endaddr & mask); 269 } 270 if (va->va_addr2 != VRIPIFCF_ADDR2_DEFAULT) 271 aprint_normal(", 0x%08lx", va->va_addr2); 272 if (va->va_size2 != VRIPIFCF_SIZE2_DEFAULT) 273 aprint_normal("-%04lx", 274 (va->va_addr2 + va->va_size2 - 1) & 0xffff); 275 276 return (UNCONF); 277 } 278 279 int 280 vrip_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 281 { 282 struct vrip_softc *sc = device_private(parent); 283 struct vrip_attach_args va; 284 platid_mask_t mask; 285 286 if (cf->cf_loc[VRIPIFCF_PLATFORM] != VRIPIFCF_PLATFORM_DEFAULT) { 287 mask = PLATID_DEREF(cf->cf_loc[VRIPIFCF_PLATFORM]); 288 if (platid_match(&platid, &mask) == 0) 289 return (0); 290 } 291 292 memset(&va, 0, sizeof(va)); 293 va.va_vc = &sc->sc_chipset; 294 va.va_iot = sc->sc_iot; 295 va.va_unit = cf->cf_loc[VRIPIFCF_UNIT]; 296 va.va_addr = cf->cf_loc[VRIPIFCF_ADDR]; 297 va.va_size = cf->cf_loc[VRIPIFCF_SIZE]; 298 va.va_addr2 = cf->cf_loc[VRIPIFCF_ADDR2]; 299 va.va_size2 = cf->cf_loc[VRIPIFCF_SIZE2]; 300 va.va_gpio_chips = sc->sc_gpio_chips; 301 va.va_cc = sc->sc_chipset.vc_cc; 302 va.va_ac = sc->sc_chipset.vc_ac; 303 va.va_dc = sc->sc_chipset.vc_dc; 304 if (/*XXX*/config_probe(parent, cf, &va) == sc->sc_pri) 305 config_attach(parent, cf, &va, vrip_print, CFARGS_NONE); 306 307 return (0); 308 } 309 310 int 311 __vrip_power(vrip_chipset_tag_t vc, int unit, int onoff) 312 { 313 struct vrip_softc *sc = vc->vc_sc; 314 const struct vrip_unit *vu; 315 316 if (sc->sc_chipset.vc_cc == NULL) 317 return (0); /* You have no clock mask unit yet. */ 318 if (!VALID_UNIT(sc, unit)) 319 return (0); 320 vu = &sc->sc_units[unit]; 321 322 return (*sc->sc_chipset.vc_cc->cc_clock)(sc->sc_chipset.vc_cc, 323 vu->vu_clkmask, onoff); 324 } 325 326 vrip_intr_handle_t 327 __vrip_intr_establish(vrip_chipset_tag_t vc, int unit, int line, int level, 328 int (*ih_fun)(void *), void *ih_arg) 329 { 330 struct vrip_softc *sc = vc->vc_sc; 331 const struct vrip_unit *vu; 332 struct intrhand *ih; 333 334 if (!VALID_UNIT(sc, unit)) 335 return (NULL); 336 vu = &sc->sc_units[unit]; 337 ih = &sc->sc_intrhands[vu->vu_intr[line]]; 338 if (ih->ih_fun) /* Can't share level 1 interrupt */ 339 return (NULL); 340 ih->ih_fun = ih_fun; 341 ih->ih_arg = ih_arg; 342 ih->ih_unit = vu; 343 344 /* Mask level 2 interrupt mask register. (disable interrupt) */ 345 vrip_intr_setmask2(vc, ih, ~0, 0); 346 /* Unmask Level 1 interrupt mask register (enable interrupt) */ 347 vrip_intr_setmask1(vc, ih, 1); 348 349 return ((void *)ih); 350 } 351 352 void 353 __vrip_intr_disestablish(vrip_chipset_tag_t vc, vrip_intr_handle_t handle) 354 { 355 struct intrhand *ih = handle; 356 357 ih->ih_fun = NULL; 358 ih->ih_arg = NULL; 359 /* Mask level 2 interrupt mask register(if any). (disable interrupt) */ 360 vrip_intr_setmask2(vc, ih, ~0, 0); 361 /* Mask Level 1 interrupt mask register (disable interrupt) */ 362 vrip_intr_setmask1(vc, ih, 0); 363 } 364 365 void 366 vrip_intr_suspend(void) 367 { 368 struct vrip_softc *sc = the_vrip_sc; 369 bus_space_tag_t iot = sc->sc_iot; 370 bus_space_handle_t ioh = sc->sc_ioh; 371 372 bus_space_write_2 (iot, ioh, MSYSINT1_REG_W, (1<<VRIP_INTR_POWER)); 373 bus_space_write_2 (iot, ioh, sc->sc_msysint2, 0); 374 } 375 376 void 377 vrip_intr_resume(void) 378 { 379 struct vrip_softc *sc = the_vrip_sc; 380 u_int32_t reg = sc->sc_intrmask; 381 bus_space_tag_t iot = sc->sc_iot; 382 bus_space_handle_t ioh = sc->sc_ioh; 383 384 bus_space_write_2 (iot, ioh, MSYSINT1_REG_W, reg & 0xffff); 385 bus_space_write_2 (iot, ioh, sc->sc_msysint2, (reg >> 16) & 0xffff); 386 } 387 388 /* Set level 1 interrupt mask. */ 389 void 390 __vrip_intr_setmask1(vrip_chipset_tag_t vc, vrip_intr_handle_t handle, 391 int enable) 392 { 393 struct vrip_softc *sc = vc->vc_sc; 394 struct intrhand *ih = handle; 395 int level1 = ih - sc->sc_intrhands; 396 bus_space_tag_t iot = sc->sc_iot; 397 bus_space_handle_t ioh = sc->sc_ioh; 398 u_int32_t reg = sc->sc_intrmask; 399 400 DPRINTF(("__vrip_intr_setmask1: SYSINT: %s %d\n", 401 enable ? "enable" : "disable", level1)); 402 reg = (bus_space_read_2 (iot, ioh, MSYSINT1_REG_W)&0xffff) | 403 ((bus_space_read_2 (iot, ioh, sc->sc_msysint2) << 16)&0xffff0000); 404 if (enable) 405 reg |= (1 << level1); 406 else { 407 reg &= ~(1 << level1); 408 } 409 sc->sc_intrmask = reg; 410 bus_space_write_2 (iot, ioh, MSYSINT1_REG_W, reg & 0xffff); 411 bus_space_write_2 (iot, ioh, sc->sc_msysint2, (reg >> 16) & 0xffff); 412 DBG_BIT_PRINT(reg); 413 414 return; 415 } 416 417 void 418 __vrip_dump_level2mask(vrip_chipset_tag_t vc, vrip_intr_handle_t handle) 419 { 420 struct vrip_softc *sc = vc->vc_sc; 421 struct intrhand *ih = handle; 422 const struct vrip_unit *vu = ih->ih_unit; 423 u_int32_t reg; 424 425 if (vu->vu_mlreg) { 426 DPRINTF(("level1[%d] level2 mask:", vu->vu_intr[0])); 427 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg); 428 if (vu->vu_mhreg) { /* GIU [16:31] case only */ 429 reg |= (bus_space_read_2(sc->sc_iot, sc->sc_ioh, 430 vu->vu_mhreg) << 16); 431 dbg_bit_print(reg); 432 } else 433 dbg_bit_print(reg); 434 } 435 } 436 437 /* Get level 2 interrupt status */ 438 void 439 __vrip_intr_getstatus2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle, 440 u_int32_t *mask /* Level 2 mask */) 441 { 442 struct vrip_softc *sc = vc->vc_sc; 443 struct intrhand *ih = handle; 444 const struct vrip_unit *vu = ih->ih_unit; 445 u_int32_t reg; 446 447 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, 448 vu->vu_lreg); 449 reg |= ((bus_space_read_2(sc->sc_iot, sc->sc_ioh, 450 vu->vu_hreg) << 16)&0xffff0000); 451 /* dbg_bit_print(reg);*/ 452 *mask = reg; 453 } 454 455 /* Set level 2 interrupt mask. */ 456 void 457 __vrip_intr_setmask2(vrip_chipset_tag_t vc, vrip_intr_handle_t handle, 458 u_int32_t mask /* Level 2 mask */, int onoff) 459 { 460 struct vrip_softc *sc = vc->vc_sc; 461 struct intrhand *ih = handle; 462 const struct vrip_unit *vu = ih->ih_unit; 463 u_int16_t reg; 464 465 DPRINTF(("vrip_intr_setmask2:\n")); 466 DUMP_LEVEL2MASK(vc, handle); 467 #ifdef WINCE_DEFAULT_SETTING 468 #warning WINCE_DEFAULT_SETTING 469 #else 470 if (vu->vu_mlreg) { 471 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg); 472 if (onoff) 473 reg |= (mask&0xffff); 474 else 475 reg &= ~(mask&0xffff); 476 bus_space_write_2(sc->sc_iot, sc->sc_ioh, vu->vu_mlreg, reg); 477 if (vu->vu_mhreg != 0) { /* GIU [16:31] case only */ 478 reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, 479 vu->vu_mhreg); 480 if (onoff) 481 reg |= ((mask >> 16) & 0xffff); 482 else 483 reg &= ~((mask >> 16) & 0xffff); 484 bus_space_write_2(sc->sc_iot, sc->sc_ioh, 485 vu->vu_mhreg, reg); 486 } 487 } 488 #endif /* WINCE_DEFAULT_SETTING */ 489 DUMP_LEVEL2MASK(vc, handle); 490 491 return; 492 } 493 494 int 495 vrip_intr(void *arg, vaddr_t pc, u_int32_t status) 496 { 497 struct vrip_softc *sc = (struct vrip_softc *)arg; 498 bus_space_tag_t iot = sc->sc_iot; 499 bus_space_handle_t ioh = sc->sc_ioh; 500 int i; 501 u_int32_t reg, mask; 502 /* 503 * Read level1 interrupt status. 504 */ 505 reg = (bus_space_read_2 (iot, ioh, SYSINT1_REG_W)&0xffff) | 506 ((bus_space_read_2 (iot, ioh, sc->sc_sysint2)<< 16)&0xffff0000); 507 mask = (bus_space_read_2 (iot, ioh, MSYSINT1_REG_W)&0xffff) | 508 ((bus_space_read_2 (iot, ioh, sc->sc_msysint2)<< 16)&0xffff0000); 509 reg &= mask; 510 511 /* 512 * Dispatch each handler. 513 */ 514 for (i = 0; i < 32; i++) { 515 register struct intrhand *ih = &sc->sc_intrhands[i]; 516 if (ih->ih_fun && (reg & (1 << i))) { 517 ih->ih_fun(ih->ih_arg); 518 } 519 } 520 521 return (1); 522 } 523 524 void 525 __vrip_register_cmu(vrip_chipset_tag_t vc, vrcmu_chipset_tag_t cmu) 526 { 527 struct vrip_softc *sc = vc->vc_sc; 528 529 sc->sc_chipset.vc_cc = cmu; 530 } 531 532 void 533 __vrip_register_gpio(vrip_chipset_tag_t vc, hpcio_chip_t chip) 534 { 535 struct vrip_softc *sc = vc->vc_sc; 536 537 if (chip->hc_chipid < 0 || VRIP_NIOCHIPS <= chip->hc_chipid) 538 panic("%s: '%s' has unknown id, %d", __func__, 539 chip->hc_name, chip->hc_chipid); 540 sc->sc_gpio_chips[chip->hc_chipid] = chip; 541 } 542 543 void 544 __vrip_register_dmaau(vrip_chipset_tag_t vc, vrdmaau_chipset_tag_t dmaau) 545 { 546 struct vrip_softc *sc = vc->vc_sc; 547 548 sc->sc_chipset.vc_ac = dmaau; 549 } 550 551 void 552 __vrip_register_dcu(vrip_chipset_tag_t vc, vrdcu_chipset_tag_t dcu) 553 { 554 struct vrip_softc *sc = vc->vc_sc; 555 556 sc->sc_chipset.vc_dc = dcu; 557 } 558